android UI实验

2012-09-13题目1：图标使用与对话框要制作带图标的按钮，首先要在布局文件中定义ImageButton，然后通过SetImageDrawable方法设置按钮要显示的图标。

按钮事件监听为SetOnClickListener。

main.xml<?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"><TextViewandroid:id="@+id/TextView01"android:layout_width="fill_parent"android:layout_height="wrap_content"/><ImageButtonandroid:id="@+id/ImageButton01"android:layout_width="wrap_content"android:layout_height="wrap_content"android:src="@drawable/button1"></ImageButton><ImageButtonandroid:id="@+id/ImageButton02"android:layout_width="wrap_content"android:layout_height="wrap_content"></ImageButton><ImageButtonandroid:id="@+id/ImageButton03"android:layout_width="wrap_content"android:layout_height="wrap_content"></ImageButton><ImageButtonandroid:id="@+id/ImageButton04"android:layout_width="wrap_content"android:layout_height="wrap_content"></ImageButton></LinearLayout>代码：package ;import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.content.DialogInterface;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.ImageButton;import android.widget.TextView;public class sacpp extends Activity{TextView m_TextView;//声明4个ImageButton对象ImageButton m_ImageButton1;ImageButton m_ImageButton2;ImageButton m_ImageButton3;ImageButton m_ImageButton4;@Overridepublic void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(yout.main);m_TextView = (TextView) findViewById(R.id.TextView01);//分别取得4个ImageButton对象m_ImageButton1= (ImageButton) findViewById(R.id.ImageButton01);m_ImageButton2= (ImageButton) findViewById(R.id.ImageButton02);m_ImageButton3= (ImageButton) findViewById(R.id.ImageButton03);m_ImageButton4= (ImageButton) findViewById(R.id.ImageButton04);//分别设置所使用的图标//m_ImageButton1是在xml布局中设置的，这里就暂时不设置了m_ImageButton2.setImageDrawable(getResources().getDrawable(R.drawable .button2));m_ImageButton3.setImageDrawable(getResources().getDrawable(R.drawable .button3));m_ImageButton4.setImageDrawable(getResources().getDrawable(android.R. drawable.sym_call_incoming));//以下分别为每个按钮设置事件监听setOnClickListenerm_ImageButton1.setOnClickListener(new Button.OnClickListener() {public void onClick(View v){//对话框Dialog dialog = new AlertDialog.Builder(sacpp.this).setTitle("提示").setMessage("我是ImageButton1").setPositiveButton("确定",new DialogInterface.OnClickListener(){public void onClick(DialogInterface dialog, int whichButton){}}).create();//创建按钮dialog.show();}});m_ImageButton2.setOnClickListener(new Button.OnClickListener() {public void onClick(View v){Dialog dialog = new AlertDialog.Builder(sacpp.this).setTitle("提示").setMessage("我是ImageButton2，我要使用ImageButton3的图标") .setPositiveButton("确定",new DialogInterface.OnClickListener(){public void onClick(DialogInterface dialog, int whichButton)m_ImageButton2.setImageDrawable(getResources().getDrawable(R.drawable .button3));}}).create();//创建按钮dialog.show();}});m_ImageButton3.setOnClickListener(new Button.OnClickListener() {public void onClick(View v){Dialog dialog = new AlertDialog.Builder(sacpp.this).setTitle("提示").setMessage("我是ImageButton3，我要使用系统打电话图标").setPositiveButton("确定",new DialogInterface.OnClickListener(){public void onClick(DialogInterface dialog, int whichButton){m_ImageButton3.setImageDrawable(getResources().getDrawable(android.R. drawable.sym_action_call));}}).create();//创建按钮dialog.show();}});m_ImageButton4.setOnClickListener(new Button.OnClickListener() {public void onClick(View v){Dialog dialog = new AlertDialog.Builder(sacpp.this).setTitle("提示").setMessage("我是使用的系统图标！").setPositiveButton("确定",new DialogInterface.OnClickListener(){public void onClick(DialogInterface dialog, int whichButton)}}).create();//创建按钮dialog.show();}});}}题目2：计算器代码：<?xml version="1.0"encoding="utf-8"?><TableLayoutxmlns:android="/apk/res/android"android:layout_width="fill_parent"android:layout_height="fill_parent"android:shrinkColumns="0,1,2"><TableRow><!-- row1 --><Button android:id="@+id/button1"android:layout_height="wrap_content"android:text="7"android:layout_column="0"android:layout_width="50dip"/> <Button android:id="@+id/button2"android:layout_height="wrap_content"android:text="8"android:layout_column="1"android:layout_width="50dip"/> <Button android:id="@+id/button3"android:layout_height="wrap_content"android:text="9"android:layout_column="2"android:layout_width="50dip"/><Button android:id="@+id/button4"android:layout_height="wrap_content"android:text="/"android:layout_column="3"android:layout_width="50dip"/></TableRow><TableRow><!-- row2 --><Button android:id="@+id/button5"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="4"android:layout_column="0"/><Button android:id="@+id/button6"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="5"android:layout_column="1"/><Button android:id="@+id/button7"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="6"android:layout_column="2"/><Button android:id="@+id/button8"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="*"android:layout_column="3"/></TableRow><TableRow><!-- row3 --><Button android:id="@+id/button9"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="1"android:layout_column="0"/><Button android:id="@+id/button10"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="2"android:layout_column="1"/><Button android:id="@+id/button11"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="3"android:layout_column="2"/><Button android:id="@+id/button12"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="."android:layout_column="3"/></TableRow><TableRow><!-- row4 --><Button android:id="@+id/button13"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="0"android:layout_column="0"/><Button android:id="@+id/button14"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="="android:layout_column="1"/><Button android:id="@+id/button15"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="-"android:layout_column="2"/><Button android:id="@+id/button16"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="+"android:layout_column="3"/></TableRow></TableLayout>截图：题目3:常用控件使用界面参考；代码在后面请注意使用package com.bebig.activity04;import com.bebig.activity04.R;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class Activity04 extends Activity {/** *//** Called when the activity is first created. */private Button btnTextViewDemo = null;private Button btnCommonControlsDemo = null;private Button btnProgressBarDemo = null;private Button btnListViewDemo = null;public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(yout.main);btnTextViewDemo = (Button) findViewById(R.id.btnTextViewDemo);btnTextViewDemo.setOnClickListener(newbtnTextViewDemoOnClickListener());btnCommonControlsDemo = (Button)findViewById(R.id.btnCommonControlsDemo);btnCommonControlsDemo.setOnClickListener(new btnCommonControlsDemoOnClickListener());btnProgressBarDemo = (Button)findViewById(R.id.btnProgressBarDemo);btnProgressBarDemo.setOnClickListener(newbtnProgressBarDemoOnClickListener());btnListViewDemo = (Button) findViewById(R.id.btnListViewDemo);btnListViewDemo.setOnClickListener(newbtnListViewDemoOnClickListener());}// TextView Democlass btnTextViewDemoOnClickListener implements OnClickListener {public void onClick(View arg0) {Intent intent = new Intent();intent.setClass(Activity04.this, TextViewDemo.class);Activity04.this.startActivity(intent);}}// CommonControls Democlass btnCommonControlsDemoOnClickListener implementsOnClickListener {public void onClick(View v) {Intent intent = new Intent();intent.setClass(Activity04.this, CommonControls.class);Activity04.this.startActivity(intent);}}// ProgressBar democlass btnProgressBarDemoOnClickListener implements OnClickListener {public void onClick(View v) {Intent intent = new Intent();intent.setClass(Activity04.this, ProgressBarDemo.class);Activity04.this.startActivity(intent);}}// ListView democlass btnListViewDemoOnClickListener implements OnClickListener {public void onClick(View v) {Intent intent = new Intent();intent.setClass(Activity04.this, ListViewDemo.class);Activity04.this.startActivity(intent);}}}package com.bebig.activity04;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.CheckBox;import poundButton;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.Toast;public class CommonControls extends Activity {private StringBuffer hobby = new StringBuffer("爱好:\n");private String gender = null;private Button btnViewResult = null;private CheckBox chkReader = null;private CheckBox chkSwiming = null;private CheckBox chkPlayBasketBall = null;private RadioGroup radiogrpGender = null;private RadioButton radioMale = null;private RadioButton radioFemale = null;protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(moncontrols);btnViewResult = (Button) findViewById(R.id.btnViewResult);btnViewResult.setOnClickListener(new btnViewResultOnClickListener());chkReader = (CheckBox) findViewById(R.id.reader);chkReader.setOnCheckedChangeListener(newCompoundButton.OnCheckedChangeListener() {public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {if (isChecked) {hobby.append("看书 ");} else {hobby.delete(hobby.indexOf("看书"),hobby.indexOf("看书") + 3);}}});chkSwiming = (CheckBox) findViewById(R.id.swiming);chkSwiming.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {if (isChecked) {hobby.append("游泳 ");} else {hobby.delete(hobby.indexOf("游泳"),hobby.indexOf("游泳") + 3);}}});chkPlayBasketBall = (CheckBox)findViewById(R.id.playbasketball);chkPlayBasketBall.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {if (isChecked) {hobby.append("打篮球 ");} else {hobby.delete(hobby.indexOf("打篮球"),hobby.indexOf("打篮球") + 3); }}});radioMale = (RadioButton) findViewById(R.id.male);radioFemale = (RadioButton) findViewById(R.id.female);radiogrpGender = (RadioGroup) findViewById(R.id.gender);radiogrpGender.setOnCheckedChangeListener(newRadioGroup.OnCheckedChangeListener() {public void onCheckedChanged(RadioGroup group, int checkedId) {if (radioMale.getId() == checkedId) {gender = "性别：男";} else if (radioFemale.getId() == checkedId) {gender = "性别：女";} else {gender = "";}}});}class btnViewResultOnClickListener implements OnClickListener {public void onClick(View v) {// 查看结果Toast.makeText(CommonControls.this,hobby.toString() + "\n" + gender, Toast.LENGTH_SHORT) .show();}}}package com.bebig.activity04;import java.util.ArrayList;import java.util.HashMap;import android.app.ListActivity;import android.os.Bundle;import android.view.View;import android.widget.ListView;import android.widget.SimpleAdapter;public class ListViewDemo extends ListActivity {private ArrayList<HashMap<String, String>> goods;protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(yout.listviewdemo);goods = new ArrayList<HashMap<String,String>>();HashMap<String,String> goods1 = new HashMap<String,String>(); goods1.put("商品编码", "690001");goods1.put("商品名称", "笔记本");HashMap<String,String> goods2 = new HashMap<String,String>(); goods2.put("商品编码", "690002");goods2.put("商品名称", "铅笔");HashMap<String,String> goods3 = new HashMap<String,String>(); goods3.put("商品编码", "690003");goods3.put("商品名称", "圆珠笔");HashMap<String,String> goods4 = new HashMap<String,String>(); goods4.put("商品编码", "690004");goods4.put("商品名称", "钢笔");HashMap<String,String> goods5 = new HashMap<String,String>(); goods5.put("商品编码", "690005");goods5.put("商品名称", "毛笔");HashMap<String,String> goods6 = new HashMap<String,String>(); goods6.put("商品编码", "690006");goods6.put("商品名称", "黑墨水");goods.add(goods1);goods.add(goods2);goods.add(goods3);goods.add(goods4);goods.add(goods5);goods.add(goods6);SimpleAdapter listAdapter = newSimpleAdapter(this,goods,yout.goods,new String[]{"商品编码","商品名称"},new int[]{R.id.GoodsCode,R.id.GoodsName});setListAdapter(listAdapter);}@Overrideprotected void onListItemClick(ListView l, View v, int position, long id) {super.onListItemClick(l, v, position, id);setTitle(goods.get(position).get("商品名称"));}}package com.bebig.activity04;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ProgressBar;public class ProgressBarDemo extends Activity {private Button btnBeginDemo = null;private ProgressBar firstProgressBar = null;private ProgressBar secondProgressBar = null;private int progress = 0;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(yout.progressbardemo);firstProgressBar = (ProgressBar)findViewById(R.id.firstProgressBar);secondProgressBar = (ProgressBar)findViewById(R.id.secondProgressBar);btnBeginDemo = (Button) findViewById(R.id.btnBegin);btnBeginDemo.setOnClickListener(newbtnBeginDemoOnClickListener());}class btnBeginDemoOnClickListener implements OnClickListener { public void onClick(View v) {if (firstProgressBar.getProgress() ==firstProgressBar.getMax()) {firstProgressBar.setProgress(0);firstProgressBar.setSecondaryProgress(0);secondProgressBar.setProgress(0);progress = 0;} else if (firstProgressBar.getProgress() < firstProgressBar .getMax()) {progress += 5;firstProgressBar.setProgress(progress);firstProgressBar.setSecondaryProgress(progress + 10);secondProgressBar.setProgress(progress);}}}}package com.bebig.activity04;import com.bebig.activity04.R;import android.app.Activity;import android.os.Bundle;public class TextViewDemo extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(yout.textviewdemo);}}<?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:layout_width="wrap_content"android:layout_height="wrap_content"android:orientation="vertical"><EditText android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/commoncontrols"/><TextViewandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/hobby"android:textSize="10pt"android:textStyle="bold"/><CheckBoxandroid:id="@+id/reader"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/reader"/><CheckBoxandroid:id="@+id/swiming"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/swiming"/><CheckBoxandroid:id="@+id/playbasketball"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/playbasketball"/><TextViewandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/sex"android:textSize="10pt"android:textStyle="bold"/><RadioGroupandroid:id="@+id/gender"android:layout_width="fill_parent"android:layout_height="wrap_content"><RadioButtonandroid:id="@+id/male"android:text="@string/male"android:layout_width="fill_parent"android:layout_height="wrap_content"/><RadioButtonandroid:id="@+id/female"android:text="@string/female"android:layout_width="fill_parent"android:layout_height="wrap_content"/></RadioGroup><Buttonandroid:id="@+id/btnViewResult"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/viewresult"/></LinearLayout><?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:layout_width="wrap_content"android:layout_height="wrap_content"android:orientation="horizontal"><TextView android:id="@+id/GoodsCode"android:layout_width="160px"android:layout_height="wrap_content"android:textSize="10pt"android:gravity="left"android:padding="20dip"/><TextView android:id="@+id/GoodsName"android:layout_width="170px"android:layout_height="wrap_content"android:textSize="10pt"android:gravity="right"android:padding="20dip"/></LinearLayout><?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:scrollbars="horizontal"android:layout_width="fill_parent"android:orientation="vertical"android:layout_height="wrap_content"><LinearLayout android:layout_width="fill_parent"android:orientation="horizontal"android:layout_height="wrap_content"><TextView android:text="商品编码"android:gravity="center"android:layout_width="160px"android:layout_height="wrap_content"android:padding="20dip"android:textSize="10pt"android:textStyle="bold"android:background="#7CFC00"></TextView><TextView android:text="商品名称"android:layout_width="170px"android:padding="20dip"android:textSize="10pt"android:gravity="center"android:layout_height="wrap_content"android:textStyle="bold"android:background="#F0E68C"></TextView></LinearLayout><!-- 由于ListViewDemo类继承自ListActivity，因此注意这里的ListView id值为@id/android:list --><ListView android:id="@id/android:list"android:layout_width="fill_parent"android:layout_height="wrap_content"android:scrollbars="vertical"/></LinearLayout><?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"><TextViewandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/hello"/><Buttonandroid:id="@+id/btnTextViewDemo"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/textview"/><Buttonandroid:id="@+id/btnCommonControlsDemo"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/commoncontrols"/><Buttonandroid:id="@+id/btnProgressBarDemo"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/progressbar"/><Buttonandroid:id="@+id/btnListViewDemo"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/listview"/></LinearLayout><?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:layout_width="fill_parent"android:layout_height="wrap_content"android:orientation="vertical"><ProgressBarandroid:id="@+id/firstProgressBar"android:layout_width="300dp"android:layout_height="wrap_content"android:max="100"android:progress="0"style="?android:attr/progressBarStyleHorizontal"android:visibility="visible"/><ProgressBarandroid:id="@+id/secondProgressBar"android:layout_width="wrap_content"android:layout_height="wrap_content"android:max="100"android:progress="0"style="?android:attr/progressBarStyle"android:visibility="visible"/><Buttonandroid:id="@+id/btnBegin"android:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/progressbar"/></LinearLayout><?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="/apk/res/android"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"><TextViewandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/textview"/></LinearLayout><?xml version="1.0"encoding="utf-8"?><resources><string name="hello">Hello World, CommonControls!</string> <string name="app_name">CommonControls</string><string name="textview">TextView控件</string><string name="commoncontrols">常用控件</string><string name="hobby">爱好</string><string name="reader">看书</string><string name="swiming">游泳</string><string name="playbasketball">打篮球</string><string name="sex">性别</string><string name="male">男</string><string name="female">女</string><string name="viewresult">查看结果</string><string name="progressbar">进度条演示</string> <string name="listview">ListView演示</string> </resources>截图：。